RED SEAL Exam Rated A+ Questions 100%
Correct Solutions
Weak exhaust brake would be? - ANSWER The actuator.
J1939 checking for resistance? - ANSWER Look for 60 ohms. If it shows 120 ohms we
would have an open.
Bad communication between an engine ECU and ABS? - ANSWER Faulty wiring harness.
What puts a bow in a gravel truck frame? - ANSWER Overloading or moving with
loaded box up.
How many pivots are on the ram that lifts the gravel truck box? - ANSWER Two. Top
and bottom.
What causes hard steering a slow speeds? - ANSWER Dry fifth wheel.
Working on air suspension on flat ground? - ANSWER Caulk the wheels then let the
air out.
- ANSWER Injector malfunction.
When setting your valve the nut on tappet flush with screw? - ANSWER Worn cam.
, Auto transmission in neutral creeps ahead? - ANSWER Dragging forward clutch.
Clutch disks are blue? - ANSWER Replace clutch. Resurface flywheel.
Where is the seat belt attached? - ANSWER Floor and Seat.
What is the function of the DPF switch? - ANSWER Passive in the middle and Off in
the bottom. Forced upward. Always returns to passive.
How many pounds in a ton? - ANSWER 2000 pounds.
How do you calculate the pressure of a piston? - ANSWER PSI equals Force divided
by Area.
Full flow hydraulic filter, hydraulic work is slow? - ANSWER Filter plugged.
If you are drilling in a frame? - ANSWER Drill in the web of a frame.
Compensating valve in the master cylinder? - ANSWER Slows the brake release.
And temperature change.
What would happen if we had a leaking primary cup in the master cylinder? -
ANSWER Your foot would slowly go to the floor.
Air suspension one side high and one side low? - ANSWER Height control valve if
there was two.
Correct Solutions
Weak exhaust brake would be? - ANSWER The actuator.
J1939 checking for resistance? - ANSWER Look for 60 ohms. If it shows 120 ohms we
would have an open.
Bad communication between an engine ECU and ABS? - ANSWER Faulty wiring harness.
What puts a bow in a gravel truck frame? - ANSWER Overloading or moving with
loaded box up.
How many pivots are on the ram that lifts the gravel truck box? - ANSWER Two. Top
and bottom.
What causes hard steering a slow speeds? - ANSWER Dry fifth wheel.
Working on air suspension on flat ground? - ANSWER Caulk the wheels then let the
air out.
- ANSWER Injector malfunction.
When setting your valve the nut on tappet flush with screw? - ANSWER Worn cam.
, Auto transmission in neutral creeps ahead? - ANSWER Dragging forward clutch.
Clutch disks are blue? - ANSWER Replace clutch. Resurface flywheel.
Where is the seat belt attached? - ANSWER Floor and Seat.
What is the function of the DPF switch? - ANSWER Passive in the middle and Off in
the bottom. Forced upward. Always returns to passive.
How many pounds in a ton? - ANSWER 2000 pounds.
How do you calculate the pressure of a piston? - ANSWER PSI equals Force divided
by Area.
Full flow hydraulic filter, hydraulic work is slow? - ANSWER Filter plugged.
If you are drilling in a frame? - ANSWER Drill in the web of a frame.
Compensating valve in the master cylinder? - ANSWER Slows the brake release.
And temperature change.
What would happen if we had a leaking primary cup in the master cylinder? -
ANSWER Your foot would slowly go to the floor.
Air suspension one side high and one side low? - ANSWER Height control valve if
there was two.
